RegEx+

Visualize, test, and master regular expressions with RegEx+.

RegEx+ is a focused regex toolkit for developers on iPhone, iPad, and Mac. Build and test patterns live, then instantly see how they work with interactive flow diagrams — a visual breakdown of every part of your regex.

KEY FEATURES

• Flow Diagrams — See your regex as a diagram. Instantly understand how each token, group, and quantifier connects.

• Live Matching — Results update as you type. Match, capture, and replace in real time.

• Cheat Sheet — A comprehensive reference for metacharacters, anchors, groups, and operators. Always one tap away.

• Pattern Library — Save and organize your patterns. Sync across all your devices via CloudKit.

• Multi-language Support — Available in English, French, German, Spanish, Italian, Japanese, Dutch, Polish, and Chinese.

Whether you're debugging a complex pattern or learning regex from scratch, RegEx+ gives you the tools to understand what your expression actually does.

Download RegEx+ and start writing better regex today.